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synapse/tests/appservice/test_scheduler.py

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#
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# This file is licensed under the Affero General Public License (AGPL) version 3.
#
# Copyright (C) 2023 New Vector, Ltd
#
# This program is free software: you can redistribute it and/or modify
# it under the terms of the GNU Affero General Public License as
# published by the Free Software Foundation, either version 3 of the
# License, or (at your option) any later version.
#
# See the GNU Affero General Public License for more details:
# <https://www.gnu.org/licenses/agpl-3.0.html>.
#
# Originally licensed under the Apache License, Version 2.0:
# <http://www.apache.org/licenses/LICENSE-2.0>.
#
# [This file includes modifications made by New Vector Limited]
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#
#
from typing import List, Optional, Sequence, Tuple, cast
from unittest.mock import AsyncMock, Mock
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from typing_extensions import TypeAlias
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from twisted.internet import defer
from twisted.test.proto_helpers import MemoryReactor
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from synapse.appservice import (
ApplicationService,
ApplicationServiceState,
TransactionOneTimeKeysCount,
TransactionUnusedFallbackKeys,
)
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from synapse.appservice.scheduler import (
ApplicationServiceScheduler,
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_Recoverer,
_TransactionController,
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)
from synapse.events import EventBase
from synapse.logging.context import make_deferred_yieldable
from synapse.server import HomeServer
from synapse.types import DeviceListUpdates, JsonDict
from synapse.util import Clock
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from tests import unittest
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from ..utils import MockClock
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class ApplicationServiceSchedulerTransactionCtrlTestCase(unittest.TestCase):
def setUp(self) -> None:
self.clock = MockClock()
self.store = Mock()
self.as_api = Mock()
self.recoverer = Mock()
self.recoverer_fn = Mock(return_value=self.recoverer)
self.txnctrl = _TransactionController(
clock=cast(Clock, self.clock), store=self.store, as_api=self.as_api
)
self.txnctrl.RECOVERER_CLASS = self.recoverer_fn
def test_single_service_up_txn_sent(self) -> None:
# Test: The AS is up and the txn is successfully sent.
service = Mock()
events = [Mock(), Mock()]
txn_id = "foobar"
txn = Mock(id=txn_id, service=service, events=events)
# mock methods
self.store.get_appservice_state = AsyncMock(
return_value=ApplicationServiceState.UP
)
txn.send = AsyncMock(return_value=True)
txn.complete = AsyncMock(return_value=True)
self.store.create_appservice_txn = AsyncMock(return_value=txn)
# actual call
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self.successResultOf(defer.ensureDeferred(self.txnctrl.send(service, events)))
self.store.create_appservice_txn.assert_called_once_with(
service=service,
events=events,
ephemeral=[],
to_device_messages=[], # txn made and saved
one_time_keys_count={},
unused_fallback_keys={},
device_list_summary=DeviceListUpdates(),
)
self.assertEqual(0, len(self.txnctrl.recoverers)) # no recoverer made
txn.complete.assert_called_once_with(self.store) # txn completed
def test_single_service_down(self) -> None:
# Test: The AS is down so it shouldn't push; Recoverers will do it.
# It should still make a transaction though.
service = Mock()
events = [Mock(), Mock()]
txn = Mock(id="idhere", service=service, events=events)
self.store.get_appservice_state = AsyncMock(
return_value=ApplicationServiceState.DOWN
)
self.store.create_appservice_txn = AsyncMock(return_value=txn)
# actual call
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self.successResultOf(defer.ensureDeferred(self.txnctrl.send(service, events)))
self.store.create_appservice_txn.assert_called_once_with(
service=service,
events=events,
ephemeral=[],
to_device_messages=[], # txn made and saved
one_time_keys_count={},
unused_fallback_keys={},
device_list_summary=DeviceListUpdates(),
)
self.assertEqual(0, txn.send.call_count) # txn not sent though
self.assertEqual(0, txn.complete.call_count) # or completed
def test_single_service_up_txn_not_sent(self) -> None:
# Test: The AS is up and the txn is not sent. A Recoverer is made and
# started.
service = Mock()
events = [Mock(), Mock()]
txn_id = "foobar"
txn = Mock(id=txn_id, service=service, events=events)
# mock methods
self.store.get_appservice_state = AsyncMock(
return_value=ApplicationServiceState.UP
)
self.store.set_appservice_state = AsyncMock(return_value=True)
txn.send = AsyncMock(return_value=False) # fails to send
self.store.create_appservice_txn = AsyncMock(return_value=txn)
# actual call
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self.successResultOf(defer.ensureDeferred(self.txnctrl.send(service, events)))
self.store.create_appservice_txn.assert_called_once_with(
service=service,
events=events,
ephemeral=[],
to_device_messages=[],
one_time_keys_count={},
unused_fallback_keys={},
device_list_summary=DeviceListUpdates(),
)
self.assertEqual(1, self.recoverer_fn.call_count) # recoverer made
self.assertEqual(1, self.recoverer.recover.call_count) # and invoked
self.assertEqual(1, len(self.txnctrl.recoverers)) # and stored
self.assertEqual(0, txn.complete.call_count) # txn not completed
self.store.set_appservice_state.assert_called_once_with(
service, ApplicationServiceState.DOWN # service marked as down
)
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class ApplicationServiceSchedulerRecovererTestCase(unittest.TestCase):
def setUp(self) -> None:
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self.clock = MockClock()
self.as_api = Mock()
self.store = Mock()
self.service = Mock()
self.callback = AsyncMock()
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self.recoverer = _Recoverer(
clock=cast(Clock, self.clock),
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as_api=self.as_api,
store=self.store,
service=self.service,
callback=self.callback,
)
def test_recover_single_txn(self) -> None:
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txn = Mock()
# return one txn to send, then no more old txns
txns = [txn, None]
def take_txn(
*args: object, **kwargs: object
) -> "defer.Deferred[Optional[Mock]]":
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return defer.succeed(txns.pop(0))
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self.store.get_oldest_unsent_txn = Mock(side_effect=take_txn)
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self.recoverer.recover()
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# shouldn't have called anything prior to waiting for exp backoff
self.assertEqual(0, self.store.get_oldest_unsent_txn.call_count)
txn.send = AsyncMock(return_value=True)
txn.complete = AsyncMock(return_value=None)
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# wait for exp backoff
self.clock.advance_time(2)
self.assertEqual(1, txn.send.call_count)
self.assertEqual(1, txn.complete.call_count)
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# 2 because it needs to get None to know there are no more txns
self.assertEqual(2, self.store.get_oldest_unsent_txn.call_count)
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self.callback.assert_called_once_with(self.recoverer)
self.assertEqual(self.recoverer.service, self.service)
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def test_recover_retry_txn(self) -> None:
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txn = Mock()
txns = [txn, None]
pop_txn = False
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def take_txn(
*args: object, **kwargs: object
) -> "defer.Deferred[Optional[Mock]]":
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if pop_txn:
return defer.succeed(txns.pop(0))
else:
return defer.succeed(txn)
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self.store.get_oldest_unsent_txn = Mock(side_effect=take_txn)
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self.recoverer.recover()
self.assertEqual(0, self.store.get_oldest_unsent_txn.call_count)
txn.send = AsyncMock(return_value=False)
txn.complete = AsyncMock(return_value=None)
self.clock.advance_time(2)
self.assertEqual(1, txn.send.call_count)
self.assertEqual(0, txn.complete.call_count)
self.assertEqual(0, self.callback.call_count)
self.clock.advance_time(4)
self.assertEqual(2, txn.send.call_count)
self.assertEqual(0, txn.complete.call_count)
self.assertEqual(0, self.callback.call_count)
self.clock.advance_time(8)
self.assertEqual(3, txn.send.call_count)
self.assertEqual(0, txn.complete.call_count)
self.assertEqual(0, self.callback.call_count)
txn.send = AsyncMock(return_value=True) # successfully send the txn
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pop_txn = True # returns the txn the first time, then no more.
self.clock.advance_time(16)
self.assertEqual(1, txn.send.call_count) # new mock reset call count
self.assertEqual(1, txn.complete.call_count)
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self.callback.assert_called_once_with(self.recoverer)
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# Corresponds to synapse.appservice.scheduler._TransactionController.send
TxnCtrlArgs: TypeAlias = """
defer.Deferred[
Tuple[
ApplicationService,
Sequence[EventBase],
Optional[List[JsonDict]],
Optional[List[JsonDict]],
Optional[TransactionOneTimeKeysCount],
Optional[TransactionUnusedFallbackKeys],
Optional[DeviceListUpdates],
]
]
"""
class ApplicationServiceSchedulerQueuerTestCase(unittest.HomeserverTestCase):
def prepare(self, reactor: "MemoryReactor", clock: Clock, hs: HomeServer) -> None:
self.scheduler = ApplicationServiceScheduler(hs)
self.txn_ctrl = Mock()
self.txn_ctrl.send = AsyncMock()
# Replace instantiated _TransactionController instances with our Mock
self.scheduler.txn_ctrl = self.txn_ctrl
self.scheduler.queuer.txn_ctrl = self.txn_ctrl
def test_send_single_event_no_queue(self) -> None:
# Expect the event to be sent immediately.
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service = Mock(id=4)
event = Mock()
self.scheduler.enqueue_for_appservice(service, events=[event])
self.txn_ctrl.send.assert_called_once_with(
service, [event], [], [], None, None, DeviceListUpdates()
)
def test_send_single_event_with_queue(self) -> None:
d: TxnCtrlArgs = defer.Deferred()
self.txn_ctrl.send = Mock(return_value=make_deferred_yieldable(d))
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service = Mock(id=4)
event = Mock(event_id="first")
event2 = Mock(event_id="second")
event3 = Mock(event_id="third")
# Send an event and don't resolve it just yet.
self.scheduler.enqueue_for_appservice(service, events=[event])
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# Send more events: expect send() to NOT be called multiple times.
# (call enqueue_for_appservice multiple times deliberately)
self.scheduler.enqueue_for_appservice(service, events=[event2])
self.scheduler.enqueue_for_appservice(service, events=[event3])
self.txn_ctrl.send.assert_called_with(
service, [event], [], [], None, None, DeviceListUpdates()
)
self.assertEqual(1, self.txn_ctrl.send.call_count)
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# Resolve the send event: expect the queued events to be sent
d.callback(service)
self.txn_ctrl.send.assert_called_with(
service, [event2, event3], [], [], None, None, DeviceListUpdates()
)
self.assertEqual(2, self.txn_ctrl.send.call_count)
def test_multiple_service_queues(self) -> None:
# Tests that each service has its own queue, and that they don't block
# on each other.
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srv1 = Mock(id=4)
srv_1_defer: "defer.Deferred[EventBase]" = defer.Deferred()
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srv_1_event = Mock(event_id="srv1a")
srv_1_event2 = Mock(event_id="srv1b")
srv2 = Mock(id=6)
srv_2_defer: "defer.Deferred[EventBase]" = defer.Deferred()
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srv_2_event = Mock(event_id="srv2a")
srv_2_event2 = Mock(event_id="srv2b")
send_return_list = [srv_1_defer, srv_2_defer]
def do_send(*args: object, **kwargs: object) -> "defer.Deferred[EventBase]":
return make_deferred_yieldable(send_return_list.pop(0))
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self.txn_ctrl.send = Mock(side_effect=do_send)
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# send events for different ASes and make sure they are sent
self.scheduler.enqueue_for_appservice(srv1, events=[srv_1_event])
self.scheduler.enqueue_for_appservice(srv1, events=[srv_1_event2])
self.txn_ctrl.send.assert_called_with(
srv1, [srv_1_event], [], [], None, None, DeviceListUpdates()
)
self.scheduler.enqueue_for_appservice(srv2, events=[srv_2_event])
self.scheduler.enqueue_for_appservice(srv2, events=[srv_2_event2])
self.txn_ctrl.send.assert_called_with(
srv2, [srv_2_event], [], [], None, None, DeviceListUpdates()
)
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# make sure callbacks for a service only send queued events for THAT
# service
srv_2_defer.callback(srv2)
self.txn_ctrl.send.assert_called_with(
srv2, [srv_2_event2], [], [], None, None, DeviceListUpdates()
)
self.assertEqual(3, self.txn_ctrl.send.call_count)
def test_send_large_txns(self) -> None:
srv_1_defer: "defer.Deferred[EventBase]" = defer.Deferred()
srv_2_defer: "defer.Deferred[EventBase]" = defer.Deferred()
send_return_list = [srv_1_defer, srv_2_defer]
def do_send(*args: object, **kwargs: object) -> "defer.Deferred[EventBase]":
return make_deferred_yieldable(send_return_list.pop(0))
self.txn_ctrl.send = Mock(side_effect=do_send)
service = Mock(id=4, name="service")
event_list = [Mock(name="event%i" % (i + 1)) for i in range(200)]
for event in event_list:
self.scheduler.enqueue_for_appservice(service, [event], [])
# Expect the first event to be sent immediately.
self.txn_ctrl.send.assert_called_with(
service, [event_list[0]], [], [], None, None, DeviceListUpdates()
)
srv_1_defer.callback(service)
# Then send the next 100 events
self.txn_ctrl.send.assert_called_with(
service, event_list[1:101], [], [], None, None, DeviceListUpdates()
)
srv_2_defer.callback(service)
# Then the final 99 events
self.txn_ctrl.send.assert_called_with(
service, event_list[101:], [], [], None, None, DeviceListUpdates()
)
self.assertEqual(3, self.txn_ctrl.send.call_count)
def test_send_single_ephemeral_no_queue(self) -> None:
# Expect the event to be sent immediately.
service = Mock(id=4, name="service")
event_list = [Mock(name="event")]
self.scheduler.enqueue_for_appservice(service, ephemeral=event_list)
self.txn_ctrl.send.assert_called_once_with(
service, [], event_list, [], None, None, DeviceListUpdates()
)
def test_send_multiple_ephemeral_no_queue(self) -> None:
# Expect the event to be sent immediately.
service = Mock(id=4, name="service")
event_list = [Mock(name="event1"), Mock(name="event2"), Mock(name="event3")]
self.scheduler.enqueue_for_appservice(service, ephemeral=event_list)
self.txn_ctrl.send.assert_called_once_with(
service, [], event_list, [], None, None, DeviceListUpdates()
)
def test_send_single_ephemeral_with_queue(self) -> None:
d: TxnCtrlArgs = defer.Deferred()
self.txn_ctrl.send = Mock(return_value=make_deferred_yieldable(d))
service = Mock(id=4)
event_list_1 = [Mock(event_id="event1"), Mock(event_id="event2")]
event_list_2 = [Mock(event_id="event3"), Mock(event_id="event4")]
event_list_3 = [Mock(event_id="event5"), Mock(event_id="event6")]
# Send an event and don't resolve it just yet.
self.scheduler.enqueue_for_appservice(service, ephemeral=event_list_1)
# Send more events: expect send() to NOT be called multiple times.
self.scheduler.enqueue_for_appservice(service, ephemeral=event_list_2)
self.scheduler.enqueue_for_appservice(service, ephemeral=event_list_3)
self.txn_ctrl.send.assert_called_with(
service, [], event_list_1, [], None, None, DeviceListUpdates()
)
self.assertEqual(1, self.txn_ctrl.send.call_count)
# Resolve txn_ctrl.send
d.callback(service)
# Expect the queued events to be sent
self.txn_ctrl.send.assert_called_with(
service,
[],
event_list_2 + event_list_3,
[],
None,
None,
DeviceListUpdates(),
)
self.assertEqual(2, self.txn_ctrl.send.call_count)
def test_send_large_txns_ephemeral(self) -> None:
d: TxnCtrlArgs = defer.Deferred()
self.txn_ctrl.send = Mock(return_value=make_deferred_yieldable(d))
# Expect the event to be sent immediately.
service = Mock(id=4, name="service")
first_chunk = [Mock(name="event%i" % (i + 1)) for i in range(100)]
second_chunk = [Mock(name="event%i" % (i + 101)) for i in range(50)]
event_list = first_chunk + second_chunk
self.scheduler.enqueue_for_appservice(service, ephemeral=event_list)
self.txn_ctrl.send.assert_called_once_with(
service, [], first_chunk, [], None, None, DeviceListUpdates()
)
d.callback(service)
self.txn_ctrl.send.assert_called_with(
service, [], second_chunk, [], None, None, DeviceListUpdates()
)
self.assertEqual(2, self.txn_ctrl.send.call_count)